This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is not part of a "final accuracy check" when creating relational tables from ... (Read 68 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570

Question 1

Which of the statements below is false with regards to creating database tables from an REA diagram?
◦ M:N relationships must be implemented as separate tables.
◦ 1:N relationships are implemented with the primary key of the 1 side becoming a foreign key on the N side.
◦ 1:1 relationships are implemented with the primary key of either entity included as a foreign key in the table representing the other entity.
◦ All of these are true.

Question 2

Which of the following is not part of a "final accuracy check" when creating relational tables from an REA diagram?
◦ Every attribute in every table is single-valued (i.e., each table is a flat file).
◦ Every event must be linked to at least one resource.
◦ Every table must have a primary key.
◦ Other non-key attributes in each table must be either a fact about the thing designated by the primary key or foreign keys used to link that table to another table.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by debasdf on Apr 8, 2019

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly





 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

For a complete list of videos, visit our video library